Home / 8,649.18-11,936.94-5,292.48

Finding the Fourth Proportional to 8,649.18, 11,936.94 and 5,292.48

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Solution

The fourth proportional to 8,649.18, 11,936.94 and 5,292.48 is: 7,304.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,649.18 : 11,936.94 = 5,292.48 : x
  2. Step 2: Convert to fraction form
    8,649.18/11,936.94 = 5,292.48/x
  3. Step 3: Cross multiply
    8,649.18x = 11,936.94 × 5,292.48
  4. Step 4: Simplify right side
    8,649.18x = 63,176,016.21
  5. Step 5: Solve for x
    x = 63,176,016.21/8,649.18
  6. Step 6: Final answer
    x = 7,304.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.